title: Localization of calcium and barium in toad retina by secondary ion mass spectrometry.
mesh_terms: D000818:Animals; D001464:Barium / Q000032:analysis*; D002024:Bufo marinus; D002118:Calcium / Q000032:analysis*; D003594:Cytoplasmic Granules / Q000032:analysis; D012160:Retina / Q000032:analysis* / Q000166:cytology; D013057:Spectrum Analysis
chemical_list: D001464:Barium; D002118:Calcium